Tuesday Trivia: Answered! Posted on February 14th, 2012 by Maggie HedlundHome IconHomeBlogs at GustavusGustavus Sesquicentennial Which college president was known as “Prexy?” A. O.J. Johnson This is “Prexy” and his wife, Lavinia Johnson. Categories: Daily Factoid, GAC150, TuesdayTags: Answer, OJ Johnson, prexy, Trivia Comments are closed.